Tube cutting tool



FIG. 1 is a front perspective view of a tube cutting tool showing our new design;

FIG. 2 is a rear perspective view;

FIG. 3 is a right side elevational view;

FIG. 4 is a front elevational view; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a tube cutting tool, as shown and described. 